Cita APA (7a ed.)

Ki lbourne, E. D., & Smillie, W. G. (1969). Human ecology and public health (4th ed.). Macmillan.

Cita Chicago Style (17a ed.)

Ki lbourne, Edwin D., y Wilson George Smillie. Human Ecology and Public Health. 4th ed. [New York]: Macmillan, 1969.

Cita MLA (9a ed.)

Ki lbourne, Edwin D., y Wilson George Smillie. Human Ecology and Public Health. 4th ed. Macmillan, 1969.